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Locking; being an elementary treatise on the mechanisms in interlocking lever machines by which the movements of the levers are restricted to certain predetermined ways, rendering it impossible to operate conflicting switches and signals on railways

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Locking; being an elementary treatise on the mechanisms in interlocking lever machines by which the movements of the levers are restricted to certain predetermined ways, rendering it impossible to operate conflicting switches and signals on railways


Published 1907
Topics Railroads
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Book digitized by Google from the library of the University of Michigan and uploaded to the Internet Archive by user tpb.


Publisher East Orange, N.J., F.C. Lavarack
Year 1907
Pages 173
Possible copyright status NOT_IN_COPYRIGHT
Language English
Digitizing sponsor Google
Book from the collections of University of Michigan
Collection americana

Full catalog record MARCXML

[Open Library icon]This book has an editable web page on Open Library.

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